>> host: bill in el paso, texas. good afternoon to you. go ahead with your question or comment. >> caller: okay. well, i was just -- i had a question concerning the two authors that you had here together. one of them being -- well, i lived three years in mexico, and i live now in the hispanic community on the rio grande here and have for 40 years. and i'm interested in about marco rubio and the people of hispanic people of mexican descent that inhabit my world here where i live and how that, how marco rubio perceives the people of hispanic, of mexican descent. >> guest: you get a really interesting question there when you're trying to analyze marco rubio, because he's cuban-american. cuban-americans represent a very small segment of the hispanic population. you can't just say hispanics are latinos in the united states. it's not one gigantic, monolithic group. it's made up of a variety of different people who come from different countries. mexican-americans are by a mile the largest of that group. and so there's one issue, the demographic i